LS24

WLRA - soil pit LS24- landscape
Upper slope of a low rise

Site Code

LS24

Hypercalcic, Subnatric, Brown Sodosol

Location

Propodollah, western Victoria

Landform

Gently undulating plain

Geology

Quaternary Woorinen Formation: aeolian dune sand, calcareous clay

Element

Simple slope

Slope

Horizon

Depth (cm)

Description

A11

0–8

Dark brown (10YR3/3); sandy loam; massive (structureess); strong consistence (dry); pH 7.6.

A12

8–15

Dark yellowish brown (10YR4/4); light sandy clay loam; massive (structureless); very strong consistence (dry); pH 8.3.

B21

15–30

Yellowish brown (10YR5/4); medium heavy clay (sandy); moderate medium blocky structure; very strong consistence (dry); contains few soft carbonate segregations; pH 9.0.

B22k

30–70

Strong brown (7.5YR5/6); medium heavy clay; moderate medium blocky structure; contains many (50%) soft and hard carbonate nodules; pH 9.3.

B23

70+

Very pale brown (10YR7/4) with (10YR6/4) and (2.5YR4/8) mottles; medium heavy clay.

Management considerations

Strong texture contrast between surface horizons and medium heavy clay subsoil
Hardsetting surface soil, may have high susceptibility to sheet erosion, with shallow depth to subsoil
Alkaline profile with increasing magnesium and sodium with depth. Increase in salinity below upper subsoil
Abundant calcium carbonate in subsoil
Gentle slope, moderate site drainage

Site
LS24

Sample depth cm

EC
dS/m

NaCl
%

Ex Ca
cmol-/kg

Ex Mg
cmol-/kg

Ex K
cmol-/kg

Ex Na
cmol-/kg

Ex Al
mg/kg

Ex acidity
cmol-/kg

FC
-30^okPa

PWP
-1500^okPa

KS
%

FS
%

Z
%

C
%

Horizon

H₂O

CaCl₂

A11

0–8

7.6

0.09

6.1

1.4

0.7

0.1

16.3

6.4

A12

8–15

8.3

7.3

0.11

3.3

0.6

0.7

B21

15–30

8.1

0.35

7.4

7.5

0.7

2.5

30.6

16.9

B22

30–70

9.3

8.6

1.28

4.1

1.3

6.2

B23

70+

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Upper slope of a low rise		Site Code	LS24	Hypercalcic, Subnatric, Brown Sodosol
		Location	Propodollah, western Victoria
		Landform	Gently undulating plain
		Geology	Quaternary Woorinen Formation: aeolian dune sand, calcareous clay
		Element	Simple slope
		Slope	3%

Horizon	Depth (cm)	Description
A11	0–8	Dark brown (10YR3/3); sandy loam; massive (structureess); strong consistence (dry); pH 7.6.
A12	8–15	Dark yellowish brown (10YR4/4); light sandy clay loam; massive (structureless); very strong consistence (dry); pH 8.3.
B21	15–30	Yellowish brown (10YR5/4); medium heavy clay (sandy); moderate medium blocky structure; very strong consistence (dry); contains few soft carbonate segregations; pH 9.0.
B22k	30–70	Strong brown (7.5YR5/6); medium heavy clay; moderate medium blocky structure; contains many (50%) soft and hard carbonate nodules; pH 9.3.
B23	70+	Very pale brown (10YR7/4) with (10YR6/4) and (2.5YR4/8) mottles; medium heavy clay.







Management considerations
Strong texture contrast between surface horizons and medium heavy clay subsoil Hardsetting surface soil, may have high susceptibility to sheet erosion, with shallow depth to subsoil Alkaline profile with increasing magnesium and sodium with depth. Increase in salinity below upper subsoil Abundant calcium carbonate in subsoil Gentle slope, moderate site drainage